Drive for banded washer type seal

Details Drive for banded washer type seal Drive for banded washer type seal

F - Mech Eng,Light,Heat,Weapons

16

J

277/20

F16J 15/36 (2006.01) F16J 15/34 (2006.01)

Patent

CA 1312886

IMPROVED DRIVE FOR BANDED WASHER TYPE SEAL Abstract of The Invention An improved drive for a banded sealing ring or washer in a rotary mechanical seal. The washer, usually a ceramic washer, is provided with an annular band surrounding its outer periphery which includes an outwardly extending flange. The seal includes a sleeve mounted on a rotatable shaft of a pump, which houses the washer in coaxial rela- tion. It further includes a flange extending radially, which defines means in contact with the band of the washer, such that driving engagement is effected between the sleeve flange and the washer band and the washer is caused to rotate with the sleeve.

558637

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